Finger Positions

Root Note B

Name B over F#

Intervals 1P-3m-6m-7m

Relative Minor G#m

Notes F#, B, D, G, A

Aliases Bm7#5

How to play the Bm7#5/F# Chord

The Bm7#5/F# is a fundamental dominant chord in guitar music. To play this chord correctly, ensure your fingers are placed precisely on the frets indicated in the diagram above.

Music Theory Analysis

From a theoretical perspective, the B over F# is built using the 1P, 3m, 6m, 7m intervals. In the key of B Major, this chord functions as the I chord.

Common Progressions

In music composition, the Bm7#5/F# chord is often used to create tension or resolution.

I-V-vi-IV

B → F# → G#m → E

vi-IV-I-V

G#m → E → B → F#

The Diatonic Family

Understanding the "family" of chords that belong to B helps with transposition and ear training.

Triads

B C#m D#m E F# G#m A#dim

7ths

Bmaj7 C#m7 D#m7 Emaj7 F#7 G#m7 A#m7b5

Scale Compatibility

View All Scales

Minor Phrygian Locrian Malkos Raga Altered Locrian #2 Spanish Heptatonic Bebop Locrian Minor Bebop Messiaen's Mode #3 Chromatic

* 11 scales found containing the notes F#, B, D, G, A.

Acoustic & Digital Analysis

Digital footprint of the Bm7#5/F# chord for MIDI programming and synthesizer sound design.

MIDI Numbers 66, 71, 62, 67, 69

Frequencies (Hz)

369.9944227116344, 493.8833012561241, 293.6647679174076, 391.99543598174927, 440